GuiSystem.h

#pragma once
 
#include "GuiComponent.h"
 
#include "Systems/ComponentSystem.h"
 
#include "GuiDocument.h"
#include "GuiContainer.h"
 
namespace Cogs
{
  namespace Core
  {
    struct GuiData
    {
      ~GuiData();
 
      litehtml::document::ptr htmlDocument;
      std::string             theme;
 
      glm::vec2 size;
 
      float pointerX;
      float pointerY;
 
      float lastX = 0.0f;
      float lastY = 0.0f;
 
      bool pointerInside;
      bool pointerRelative;
 
      bool pointerState;
      bool pointerDown;
      bool pointerUp;
      bool invalidated;
    };
 
    class GuiSystem : public ComponentSystemWithDataPool<GuiComponent, GuiData>
    {
    public:
              GuiSystem(Memory::Allocator * allocator, SizeType capacity) : ComponentSystemWithDataPool(allocator, capacity) {}
              ~GuiSystem();
 
      virtual void update(Context * context) override;
              void updateInputs(const GuiComponent & guiComponent, GuiData & guiData);
 
    private:
      using   ThemeMap  = std::map<std::string, litehtml::css*>;
 
              ThemeMap  themes;
    };
  }
}